| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Shewanella loihica PV-4 | Shew_3114 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 100 | 100 |
| o | Desulfovibrio vulgaris Hildenborough JW710 | DVU1156 | | sigma-54 dependent transcriptional regulator, putative/response regulator (TIGR) | insig. | 37 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0700 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 31 | 98 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3305 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | strong | 33 | 99 |
| | Pseudomonas sp. BP01 | JOY50_RS14825 | | sigma-54 dependent transcriptional regulator | insig. | 30 | 91 |
| | Pseudomonas putida KT2440 | PP_1066 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 31 | 91 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 30 | 98 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS19085 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 29 | 99 |
| | Pseudomonas sp. SVBP6 | COO64_RS16760 | | sigma-54 dependent transcriptional regulator | insig. | 30 | 89 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2109 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 30 | 98 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 30 | 99 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 30 | 99 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 30 | 99 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1363 | | PEP-CTERM-box response regulator transcription factor | strong | 31 | 97 |
| | Pseudomonas sp. S08-1 | OH686_13325 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | cofit | 33 | 89 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 31 | 99 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 30 | 98 |
| | Acinetobacter baumannii LAC-4 | RR41_RS17800 | | sigma-54 dependent transcriptional regulator | insig. | 29 | 98 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 30 | 99 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 31 | 99 |
| | Dechlorosoma suillum PS | Dsui_3486 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 30 | 93 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 29 | 99 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS11070 | | sigma-54 dependent transcriptional regulator | cofit | 29 | 98 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 31 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2601 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 31 | 98 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16265 | | Fis family transcriptional regulator | strong | 30 | 89 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1195 | | Sigma-54 dependent response regulator | insig. | 31 | 98 |
| | Pseudomonas sp. S08-1 | OH686_10640 | | nitrogen regulation protein NR(I) | cofit | 28 | 99 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS19025 | | sigma-54 dependent transcriptional regulator | strong | 27 | 98 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_06350 | | Fis family transcriptional regulator | strong | 27 | 98 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS53150 | | sigma-54 dependent transcriptional regulator | strong | 27 | 98 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 31 | 98 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS23710 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 30 | 98 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09115 | | sigma-54 dependent transcriptional regulator | insig. | 33 | 85 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_00790 | | two-component response regulator PilR | strong | 30 | 98 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS56175 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 30 | 98 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS12650 | | sigma-54 dependent transcriptional regulator | insig. | 29 | 98 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05620 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 91 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05620 | | sigma-54-dependent Fis family transcriptional regulator | strong | 28 | 91 |
| | Pseudomonas simiae WCS417 | PS417_05535 | | Fis family transcriptional regulator | strong | 28 | 91 |
| | Dickeya dianthicola 67-19 | HGI48_RS00425 | | two-component system response regulator VfmH | cofit | 31 | 98 |
| | Dickeya dianthicola ME23 | DZA65_RS00425 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 31 | 98 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_25855 | | DNA-binding response regulator | sig. | 31 | 93 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 29 | 99 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 29 | 99 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 29 | 99 |
| | Pseudomonas putida KT2440 | PP_5048 | | two-component system DNA-binding transcriptional dual regulator GlnL/GlnG | strong | 29 | 99 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_09730 | | nitrogen regulation protein NR(I) | strong | 28 | 99 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 29 | 99 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 29 | 99 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3913 | | Helix-turn-helix, Fis-type | insig. | 28 | 91 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3913 | | Helix-turn-helix, Fis-type | insig. | 28 | 91 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_12145 | | nitrogen regulation protein NR(I) | strong | 28 | 99 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS01040 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 98 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS25855 | | sigma-54 dependent transcriptional regulator | strong | 31 | 93 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS58285 | | sigma-54 dependent transcriptional regulator | strong | 31 | 93 |
| | Pseudomonas sp. DMC3 | GFF5115 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 30 | 89 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 29 | 99 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3826 | | Nitrogen regulation protein NR(I) | strong | 28 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2679 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 31 | 98 |
| | Pseudomonas sp. BP01 | JOY50_RS09450 | ntrC | nitrogen regulation protein NR(I) | cofit | 29 | 99 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1611 | | Nitrogen regulation protein NR(I) | strong | 28 | 99 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4775 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | strong | 29 | 89 |
| | Ralstonia solanacearum GMI1000 | RS_RS01635 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 98 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4822 | | Helix-turn-helix, Fis-type:Nitrogen regulation protein NR(I) | sig. | 28 | 99 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4822 | | Helix-turn-helix, Fis-type:Nitrogen regulation protein NR(I) | no data | 28 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1260 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 29 | 98 |
| | Pseudomonas sp. RS175 | PFR28_03376 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | sig. | 29 | 89 |
| | Azospirillum brasilense Sp245 | AZOBR_RS14430 | | chemotaxis protein CheY | strong | 29 | 98 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01294 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 28 | 91 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS01685 | | nitrogen regulation protein NR(I) | sig. | 27 | 99 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS01685 | | nitrogen regulation protein NR(I) | strong | 27 | 99 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00547 | | DNA-binding transcriptional regulator NtrC | insig. | 27 | 99 |
| | Pseudomonas simiae WCS417 | PS417_01635 | | nitrogen regulation protein NR(I) | strong | 27 | 99 |
| | Xanthobacter sp. DMC5 | GFF848 | | DNA-binding transcriptional regulator NtrC | no data | 30 | 98 |
| | Pseudomonas sp. RS175 | PFR28_04944 | | DNA-binding transcriptional regulator NtrC | strong | 27 | 99 |
| | Pseudomonas sp. RS175 | PFR28_03462 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 35 | 80 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS02120 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 29 | 98 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_776 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 29 | 89 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS05020 | | sigma-54 dependent transcriptional regulator | strong | 29 | 98 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_347 | | Nitrogen regulation protein NR(I) | strong | 28 | 99 |
| | Pseudomonas stutzeri RCH2 | Psest_3932 | | nitrogen regulation protein NR(I) | strong | 28 | 99 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS11070 | | nitrogen regulation protein NR(I) | strong | 33 | 80 |
| | Dickeya dadantii 3937 | DDA3937_RS20820 | | two-component system response regulator VfmH | strong | 31 | 99 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS02780 | | sigma-54-dependent Fis family transcriptional regulator | strong | 29 | 98 |
| | Shewanella amazonensis SB2B | Sama_0125 | | response regulator receiver protein (RefSeq) | strong | 29 | 98 |
| | Pseudomonas sp. DMC3 | GFF4081 | | DNA-binding transcriptional regulator NtrC | strong | 27 | 99 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS01705 | | Fis family transcriptional regulator | insig. | 32 | 88 |
| | Rhodospirillum rubrum S1H | Rru_A1385 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | cofit | 31 | 99 |
| | Methylophilus sp. DMC18 | GFF2304 | | Regulatory protein AtoC | cofit | 29 | 98 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07640 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 99 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS03980 | | Fis family transcriptional regulator | strong | 31 | 89 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS04800 | | sigma-54 dependent transcriptional regulator | cofit | 28 | 98 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS10795 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 98 |
| | Ralstonia solanacearum UW163 | UW163_RS02785 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 28 | 98 |
| | Azospirillum sp. SherDot2 | MPMX19_04251 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 31 | 80 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS06635 | | sigma-54 dependent transcriptional regulator | strong | 30 | 88 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0946 | | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 29 | 98 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS04990 | | sigma-54 dependent transcriptional regulator | cofit | 28 | 98 |
| | Pseudomonas orientalis W4I3 | QF045_RS04705 | | nitrogen regulation protein NR(I) | insig. | 27 | 99 |